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💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

One-and-a-half-stripe hap

Protomelas insignis Trewavas, 1935
Max Length
20.3 cm
Max Weight
Lifespan
Trophic Level
2.5
Depth
Climate
Tropical
Resilience
High
Vulnerability
23.00/100
Typical Length
Depth Zone

📖 Overview

Overview information for One-and-a-half-stripe hap is currently being compiled by our editorial team.

Scientific Name
Protomelas insignis
Authority
Trewavas, 1935
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
20.3 cm
Trophic Level
2.5
Resilience
High
Vulnerability
23.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Cichliformes
Cichliformes
Family
Cichlidae
Cichlidae
Genus
Protomelas
Protomelas
Species
One-and-a-half-stripe hap
Protomelas insignis

🐟 Physical Description

Dorsal spines (total): 17 - 18; Dorsal soft rays (total): 10 - 11; Anal spines: 3; Anal soft rays: 9 - 10; Vertebrae: 32. Diagnosis: distinguished by the prominence of the posterior part of the mid-lateral and the anterior part of the dorsolateral stripes; further distinguished from P. spilonotus by the lower number of gill rakers . : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for One-and-a-half-stripe hap is currently being reviewed.

🦐 Diet

Diet information for One-and-a-half-stripe hap is currently being compiled.

🥚 Reproduction

Reproduction data for One-and-a-half-stripe hap is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical; 12°S - 15°S Endemic to the southern part of Lake Malawi.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.5±0.5
Food Items

eggs (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.99 (TL)
Max TL
20.3cm
Dorsal Spines
18
Dorsal Rays
11
Anal Spines
3
Anal Rays
10
Vertebrae
32

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
2.5
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Trewavas, 1935

🍽️ Edibility & Flavour

"Protomelas Insignis is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

Nutrition

Detailed nutritional data for One-and-a-half-stripe hap is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for One-and-a-half-stripe hap has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 7 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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